1 : a branch of science concerned with the interrelationship of organisms and their environments. 2 : the totality or pattern of relations between organisms and their environment. 3 : human ecology. 4 : environment, climate the moral ecology; also : an often delicate or intricate system or complex the ecology of language.
published its Final Rule in the Federal Register placing tramadol into Schedule IV effective August 18, 2014. (Tramadol is a centrally acting opioid analgesic first approved for use in the U.S. in 1995 under the name âUltramâ.
Although both hydrocodone and oxycodone have preparations that are classified as Schedule II narcotics, all other drugs that contain oxycodone like Tylox, Percocet and Roxilox are still placed under schedule II while the drugs that contain hydrocodone are only placed under Schedule III.